Samson 3730-1 - Page 23

EB 8384-1 EN 23
Design and principle of operation
Type3730-1Positioner
The technical data for the explosion-protected devices may be restricted by the limits specied in the test
certicates.
Electromagnetic compatibility
Complying with EN 61000-6-2, EN 61000-6-3, EN 61326-1 and NAMUR
Recommendation NE 21
Electrical connections
OneM20x1.5cableglandfor6to12mmclampingrange
Second M20x1.5 threaded connection additionally available
Screwterminalsfor0.2to2.5mm²wirecross-section
Explosion protection RefertoTable13
Degree of protection IP66/NEMA4X
Use in safety-instrumented
systems (SIL)
ObservingtherequirementsofIEC61508,thesystematiccapabilityofthepilotvalve
for emergency venting as a component in safety-instrumented systems is given.
UseispossibleonobservingtherequirementsofIEC61511andtherequiredhard-
warefaulttoleranceinsafety-instrumentedsystemsuptoSIL2(singledevice/
HFT=0)andSIL3(redundantconguration/HFT=1).
Weight Approx.1kg·Specialversioninstainlesssteel:2.2kg
Compliance
·
Materials
Housing
Die-castaluminumENAC-AlSi12(Fe)(ENAC-44300)acc.toDINEN1706·
Chromated and powder paint coated · Special version: stainless steel 1.4408
External parts Stainless steel 1.4404/316L
Cable gland M20x1.5, black polyamide
Binary contacts
2softwarelimitcontactswithcongurablelimits(0.5%steps),
reverse polarity protection,oating
Signal state Without explosion protection Ex
No response: Conducting(R=348Ω) ≥2.2mA
Response Non-conducting
≤1.0mA
Operating voltage
For connection to the binary input of the PLC acc. to
IEC61131-2,P
max
=400mWorforconnectionto
NAMURswitchingamplieracc.toEN60947-5-6
For connection to NAMUR
switchingamplieracc.to
EN60947-5-6
Option: inductive limit
contact by Pepperl+Fuchs
ForconnectiontoswitchingamplieraccordingtoEN60947-5-6.
Can be used in combination with a software limit contact
Proximity
switch
SJ2-SN Measuringplatenotdetected:≥3mA·Measuringplatedetected:≤1mA